Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0-32191-121-0
ISBN 13: 978-0-32191-121-6

Chapter 2 - Descriptive Statistics - Section 2.4 Measures of Variation - Exercises - Page 93: 3

Answer

Standard deviation is used more frequently because variance is always a squared value.

Work Step by Step

Squared values are not logical in many statistic scenarios, therefore it is easier to use units of standard deviation.
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